commit 0b99ea7a4849105ed48b8e97f3e41606d19947f5
author Felicia Lim <flim@google.com> Sat Nov 12 01:38:45 2016 +0000
committer android-build-merger <android-build-merger@google.com> Sat Nov 12 01:38:45 2016 +0000
tree fc7709f5bf07328286a5dcf3a3fc59c69317ae2c
parent 170ba5679fe8c3a1d892f3c5ffdc16bb892ed853
parent 8207d6fc566da93fd716506a8870b5d7cf6abc04

Ensure that NLSF cannot be negative when computing a min distance between them am: d9d5ac4027 am: 0c9f64428e am: 08bee81353 am: af7b9188dd am: 1e52f31e06 am: 77d9e761ae am: 98092cecc4 am: 910dc7b667 am: dc699bde53 am: ae7f372e44
am: 8207d6fc56

Change-Id: Ic1d97945d85962f2e75963e44ee839076bdf819c

silk/NLSF_stabilize.c

diff --git a/silk/NLSF_stabilize.c b/silk/NLSF_stabilize.c
index 1fa1ea3..8f3426b 100644
--- a/silk/NLSF_stabilize.c
+++ b/silk/NLSF_stabilize.c
@@ -130,7 +130,7 @@
 
         /* Keep delta_min distance between the NLSFs */
         for( i = 1; i < L; i++ )
-            NLSF_Q15[i] = silk_max_int( NLSF_Q15[i], NLSF_Q15[i-1] + NDeltaMin_Q15[i] );
+            NLSF_Q15[i] = silk_max_int( NLSF_Q15[i], silk_ADD_SAT16( NLSF_Q15[i-1], NDeltaMin_Q15[i] ) );
 
         /* Last NLSF should be no higher than 1 - NDeltaMin[L] */
         NLSF_Q15[L-1] = silk_min_int( NLSF_Q15[L-1], (1<<15) - NDeltaMin_Q15[L] );